It's interesting bcos doesn't that depend on energy/state? I'm just guessing here using my rudimentary school knowledge. I find this sort of stuff about the universe far more interesting than aliens tbh.
I think we have more chance of seeing an Italy goal against Croatia, than we ever do of meeting aliens; the distances involved are just too mind bogglingly vaste. But identifying planets millions or even billions of light years away, with the complex chemistry capable of sparking abiogenesis and supporting life; we’re doing that already.
Anything we see that is purple is the "purple light" reflecting off something. What we see as purple is always really a mix of red and blue as purple light doesn't exist. Yellow on the other hand... Some times when we see yellow we're really seeing yellow. Sometimes we're seeing a mix of red and green light and our brain is interpreting it as yellow. Our brains have no way of telling the difference but some animals can.
Great stuff Milk Wasn't there something about some animals being colour blind? Forget which now. In fact just thinking back to my youth and watching Chris Packham (how old is that guy btw and how come he looks younger than me and I've been watching him since I was a teenager!) I recall learning that it's a myth bulls are attracted to the red colour in the matador's cloth as they're colour blind. It's really the movement of the cloth and it could be any colour.
I love eyesight fact... And that all of us see the world slightly different because we have different densities of rods and cones, so the whole world looks slight different to all of us... Animals definitely see it differently. Women see colour more than men. Especially blue... But it's cultural... If you separated identical twins and raised one in the jungle and one in the city. The one raised in the jungle will have better green definition than the one raised in the city (but worse ability to see shades of red). Different animal sees different colours differently and are sensitive to different frequencies. Most mammals can't tell the difference between orange and green (which is why tigers are orange... They look camouflaged to most of their prey... Sandy colour of a lion would look similar to grass to Lion's prey too). Some Birds and some bugs can see millions of colours that we can't. Dogs and cats have just two primary colours yellow and blue. (Which is why dogs usually prefer yellow and blue toys). Deer are most sensitive to blue light and can some see UV... If you go hunting with jeans on to deer it looks like you're wearing fluorescent pants. Humans can also detect UV light if they have cornea removed. Monet painted his blue water lilies after having cataract surgery. Some people (almost all of them women) have four types of cones in their eyes like birds do, and see millions of colours most people can't... Just blows my mind and wish I could see out their eyes one time.
This is so cool, how do you know about this stuff?? Kinda feel bad for cats and dogs now. Do they see green as well then? (Combining blue/yellow)
Presumably green would look white to them- the same way combining red/green/blue does for us.... as for how I know... way too much time reading science magazines and its a specific topic that fascinates me, so always read when I see something on the subject.
Hold on please log in to view this image Mixing all the primary colours makes white bcos that's what mixing all primary colours at speed does. It's science. It's not subjective, surely?
Perception of colour is dependent on the wavelength of light conveyed to the eyes; in that sense, colours are objectively real. But the qualitative experience of seeing the colour green, that’s subjective. “Why is it that there is something that it is like to see colours” is a question which leads us to what is known in both neuroscience and philosophy of mind, as the Hard Problem of Consciousness. Somewhere between the senses receiving signals which are conveyed to the brain, and the brain receiving and interpreting that information, something magic happens; we become consciously aware of what we take to be objective reality.
White isn't a wavelength either- it's what we interpret red, green, and blue light all being on to be. We only detect three colours- everything else is just our brain interpreting what a mix of colours at once to be. Obviously their brain "sees" different than ours... but if "white" is what we perceive as all colours at once. We have three input signals Red, Green, Blue. When all three are at max we see white. If all you see is two colours, I would suspect that seeing both those colours at once would be "white". Your brain has two input signals. "Yellow" and "Blue". This is just an educated guess here... but if both your inputs are full on (yellow and blue) that's white. Darker greens would be grey.
White people aren't white because of the melanin in their skin, and the levels of it determine what shade you are. Well unless they are albino and to add insult to injury you'd be classed as abnormal.
Am I sticking my middle finger up at you or am I checking the wind direction? what are we seeing here?
